Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 00:32

General

  • Target

    9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe

  • Size

    133KB

  • MD5

    ae9193f1fd1480d4ccac8b35b865a8eb

  • SHA1

    4fff768b6f426f1e9669de243e2c8f699bb4b9c1

  • SHA256

    9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030

  • SHA512

    ca382057ed87293fe4302f1a1e7644cd2bcf15afa781636b63ff47b73e05741e9b2a5c24f2b275ffc4f3fe21ebd014da3fae7d4e9fc66db64a291b18e66df5ac

  • SSDEEP

    1536:JxqjQ+P04wsmJCe2m6Q3BXFhigvVBXLYXzXwl4ePGVBXLYXzXwl4ePZAFN0F:sr85Ce171tB8DApaB8DApIN0F

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe
    "C:\Users\Admin\AppData\Local\Temp\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1112
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 796
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9b24c935ad20dbf2519aa52ae78fdbb290b4619c58ec403b4f29c33e39b8f030.exe

    Filesize

    92KB

    MD5

    dba8b1f4ec98308aeffe820a35448580

    SHA1

    e97eb82de515dc2a62b68ce8bb19d0a2e7843376

    SHA256

    38e7bae353cb9b7d38929f438bf3ae3a6ff651dd29da62da781558100ba4802e

    SHA512

    288f774bc92fb3d8e9b34aa35553eaf1b0a5bf2c3a98bc34cc48afa07f8f3bf4968972dbf5029fada680c6c71954e3dc2337e4fd566b4c9923ef0f0e1a02bdb7

  • memory/1112-12-0x00007FFC0E075000-0x00007FFC0E076000-memory.dmp

    Filesize

    4KB

  • memory/1112-13-0x00007FFC0DDC0000-0x00007FFC0E761000-memory.dmp

    Filesize

    9.6MB

  • memory/1112-14-0x000000001BE30000-0x000000001C2FE000-memory.dmp

    Filesize

    4.8MB

  • memory/1112-15-0x000000001C3A0000-0x000000001C43C000-memory.dmp

    Filesize

    624KB

  • memory/1112-16-0x000000001C5F0000-0x000000001C696000-memory.dmp

    Filesize

    664KB

  • memory/1112-23-0x00007FFC0DDC0000-0x00007FFC0E761000-memory.dmp

    Filesize

    9.6MB

  • memory/1644-107-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1644-108-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1644-110-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB